PROCESS FOR ENZYMATIC HYDROLYSIS OF LIGNOCELLULOSIC MATERIAL AND FERMENTATION OF SUGARS

    公开(公告)号:EP3656866A1

    公开(公告)日:2020-05-27

    申请号:EP19214822.9

    申请日:2013-11-07

    Abstract: The invention relates to a process for the preparation of a fermentation product from ligno-cellulosic material, comprising the following steps:
    a) optionally pre-treatment of the ligno-cellulosic material;
    b) optionally washing of the optionally pre-treated ligno-cellulosic material;
    c) enzymatic hydrolysis of the optionally washed and/or optionally pre-treated ligno-cellulosic material using an enzyme composition comprising at least two cellulase and whereby the enzyme composition at least comprises GH61;
    d) whereby less than 7.5 mg enzyme composition/g glucan (on dry matter and enzyme as protein) or less than 3.0 mg enzyme composition/g feedstock (on dry matter and enzyme as protein) is used; and
    e) fermentation of the hydrolysed ligno-cellulosic material to produce a fermentation product; and
    f) optionally recovery of a fermentation product;
    wherein before and/or during the enzymatic hydrolysis oxygen is added to the ligno-cellulosic material.

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